花费：spend、cost、take
Sb spent some money on sth 或 sb spend some money （in） doing sth
（人做主语,结构为spend on/spend in dong）
Sth cost sb some money.（物做主语）
It takes sb some time/money to do sth（形式主语it）
Eg:我花了五元钱买这本书
The book cost me five yuan.
I spent fiveyuan on the book=I spent five yuan （in） buying the book.
It took me five yuan to buy the book